Service difficulty report · Skin · Boeing 7378H4

Difficulty date
August 10, 2024
Submitted
September 24, 2024
Operation
Air carrier
Aircraft
N8324A
Make and model
Boeing 7378H4
Aircraft serial
35966
Aircraft time
39,062 hours, 18,292 cycles
Part
Skin
Condition
Debonded
Location
Zone 600 Flap
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DEBONDED OB AFT FLAP LOWER SURFACE IB SIDE AT RT WING 2024-512149<[01] TOOL USED: CALIPER P/N: 500-197-30 S/N: A18229508 DUE DATE: 14-JAN-25.;[02] ON STEP 3: TOOL USED BOND TESTING UNIT PN: BONDMASTER 600M; SN: 220052310; DUE DATE: 17 NOV 24;[03] TOOL USED; HOT BONDER PN: HCS9200B-AV; SN: 18196127; DUE DATE: 25/JAN/25.;[04] TOOL USED; POSITECTOR PN: POSITECTOR 6000 NS3; SN:767584; DUE DATE: 30/AUG/25.;[05] TOOL USED: CALIPER P/N: 500-197-30 S/N: B20189443 DUE DATE: 06-MAR-25.;[06] TOOL USED: COATING THICKNESS GAUGE P/N:POSITECTOR 6000 NS3; S/N:767584; DUE DATE: 30-AUG-25.;[07] TOOL USED: BOND TESTING EQUIPMENT; PN: BONDMASTER 600M; SN: 230106912; DUE DATE: 09-JAN-25.;[08] TOOL USED BOND TESTING UNIT PN: BONDMASTER 600M; SN: 220052310; DUE DATE: 17-NOV-24;[09] PERFORMED INTERIM REPAIR ON OB AFT FLAP LOWER SURFACE IB SIDE AT RT WING IAW B737-800 SRM 57-53-01-2R-16 REPAIR 16 AND THE REPAIR REQUIRED TAP TEST INSPECTION EVERY 6;875 CYC OR 30 MONTHS. SEE INDIVIDUAL SIGNOFFS BELOW.;[10] PERFORMED INTERIM REPAIR ON OB AFT FLAP LOWER SURFACE IB SIDE AT RT WING IAW B737-800 SRM 57-53-01-2R-16 REPAIR 16 AND THE REPAIR REQUIRED TAP TEST INSPECTION EVERY 6;875 CYC OR 30 MONTHS. SEE INDIVIDUAL SIGNOFFS BELOW.

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